Public bug reported:
My USB headset volume was at a good, comfortable audible level in
Karmic. I used it regularly for Skype calls and listening to music with
Banshee.
After upgrading to Lucid for the beta, sound through the headset sounded
unnaturally quiet. Too quiet for me to hear. I tried increasing the
volume under the sound preferences (click the Volume icon in the
notification area, select Sound Preferences, slide "Output Volume" to
the right) and fiddling with practically every audio setting I could
find.
In the end, I worked around the problem by running "alsamixer" in a
terminal and increasing the volume there. I couldn't help noticing that
the alsamixer slide was set to the lowest possible level above zero.
This might be bug 514032.
ProblemType: Bug
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: jml 10785 F.... alsamixer
jml 14764 F.... pulseaudio
/dev/snd/controlC0: jml 14764 F.... pulseaudio
/dev/snd/pcmC0D0p: jml 14764 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf2620000 irq 17'
Mixer name : 'Conexant CX20561 (Hermosa)'
Components : 'HDA:14f15051,17aa20ff,00100000'
Controls : 14
Simple ctrls : 7
Card1.Amixer.info:
Card hw:1 'Headset'/'Logitech Logitech USB Headset at usb-0000:00:1d.0-2, full
speed'
Mixer name : 'USB Mixer'
Components : 'USB046d:0a0b'
Controls : 6
Simple ctrls : 2
Date: Tue Mar 23 16:57:10 2010
DistroRelease: Ubuntu 10.04
EcryptfsInUse: Yes
Package: alsa-base 1.0.22.1+dfsg-0ubuntu3
PackageArchitecture: all
ProcEnviron:
PATH=(custom, user)
LANG=en_AU.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-16.25-generic
SourcePackage: alsa-driver
Uname: Linux 2.6.32-16-generic x86_64
UserAsoundrc:
# ALSA library configuration file
# Include settings that are under the control of asoundconf(1).
# (To disable these settings, comment out this line.)
</home/jml/.asoundrc.asoundconf>
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug lucid lucid-upgrade-testing ubuntu-une
--
Sound through USB headset unusually quiet after Lucid upgrade
https://bugs.launchpad.net/bugs/545233
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